The Higgs boson in the MSSM in light of the LHC

Details The Higgs boson in the MSSM in light of the LHC The Higgs boson in the MSSM in light of the LHC

2011-12-09

arxiv.org/abs/1112.2200v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, 8 figures

Scientific paper

We investigate the expectations for the light Higgs signal in the MSSM in different search channels at the LHC. After taking into account dark matter and flavor constraints in the MSSM with eleven free parameters, we show that the light Higgs signal in the $gamma\gamma$ channel is expected to be at most at the level of the SM Higgs, while the $h\rightarrow b\bar{b}$ from W fusion and/or the $h \rightarrow\tau\bar\tau$ can be enhanced. For the main discovery mode, we show that a strong suppression of the signal occurs in two different cases: low $M_A$ or large invisible width. A more modest suppression is associated with the effect of light supersymmetric particles. Looking for such modification of the Higgs properties and searching for supersymmetric partners and pseudoscalar Higgs offer two complementary probes of supersymmetry.

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